What is the current water temperature in Fukuoka?

As of now, in Fukuoka, the water temperature is 25.25°C. It's safe to say that the water is comfortably warm for various water-related activities.

Japan > Fukuoka

Water temperature in Fukuoka

Detailed information about the current water temperature in Fukuoka. The trend over the last two weeks, daily averages, and precise forecast of the water temperature changes. Gain a deeper understanding of seasonal dynamics with monthly statistical analyses covering recent years.

77.5

°F

October 11, 05:34

Trend:

decreasing

Yesterday:

77.6°F

Tomorrow:

77.0°F

Sunrise:

06:19

Sunset:

17:51

Day Length:

11 h. 32 min.

Fukuoka in October

Minimum:

56.8°F

Average:

58.7°F

Maximum:

60.8°F

Sea water temperature in Fukuoka today

As of now, in Fukuoka, the water temperature is 77.5°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is 3.1°F higher than the average recorded on this particular day in recent years. The sea temperature remains approximately unchanged from yesterday. According to the forecast, we expect the temperature to fall a bit.

Recent sea temperature and forecast

Today's water temperature is considerably lower than the average registered over the last two weeks, indicating a slight cooling trend. It is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 78.4°F on 2021, while the historical minimum was 71.7°F on 2015.

latest data

last year

Observations from the last two weeks indicate that the water temperature was in proximity to the highest values recorded on those days in the past. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 76.3°F, the minimum temperature may reach 75.6°F, and the maximum might stay at 77.0°F.

Daily water temperature in Fukuoka

Date	Current Year actual* / forecast**	last year	10 years average
Sep 27	79.9°F	79.2°F	76.9°F
Sep 28	80.4°F	79.4°F	76.9°F
Sep 29	80.1°F	79.0°F	76.9°F
Sep 30	79.7°F	78.9°F	76.6°F
Oct 1	79.3°F	78.7°F	76.2°F
Oct 2	78.8°F	78.4°F	76.1°F
Oct 3	78.4°F	78.1°F	76.1°F
Oct 4	78.0°F	78.1°F	75.9°F
Oct 5	77.6°F	77.0°F	75.6°F
Oct 6	78.4°F	76.8°F	75.4°F
Oct 7	77.9°F	76.6°F	75.1°F
Oct 8	77.6°F	76.2°F	74.9°F
Oct 9	78.2°F	76.0°F	75.0°F
Oct 10	77.6°F	75.8°F	74.5°F
Oct 11	77.5°F	75.9°F	74.4°F
Oct 12	77.0°F	75.2°F	73.9°F
Oct 13	76.7°F	75.5°F	73.6°F
Oct 14	76.6°F	75.0°F	73.5°F
Oct 15	76.2°F	74.7°F	73.1°F
Oct 16	76.0°F	74.7°F	72.9°F
Oct 17	75.7°F	73.9°F	72.6°F
Oct 18	75.6°F	73.8°F	72.5°F

* actual - actual temperature values

** forecast - projected values for the next week

Real-time coastal temperatures could deviate by several degrees from the provided readings. These deviations often become evident following intense rainfall or strong winds.

Our forecasting methodology leverages a mathematical model, that uses current water and weather conditions, historical records, wind intensity and direction.

Sea water temperature in Fukuoka by month

In Fukuoka, the months July through September offer comfortable swimming conditions, which amounts to 109 swimming days.

The warmest water in Fukuoka was recorded on August 4, 2024, reaching a 88.2°F. While the coldest temperature occurred on March 10, 2025, dipping to 51.7°F. The average readings by season are 58.5°F in Winter, 60.1°F in Spring, 77.5°F in Summer, and 73.2°F in Autumn.

Popular neighboring cities and resorts

City	Water temperature*	Distance**
Kitakyushu	81.1°F	30mi
Shimonoseki	79.7°F	39mi
Kumamoto	80.0°F	57mi
Nagasaki	80.8°F	66mi

* current water temperature in this city

** straight line distance from Fukuoka